Description
The Relion InSight Series® 24V & 48V Fuel Gauge is an advanced battery monitoring solution engineered to give you complete visibility of your marine power system. Designed specifically for InSight lithium batteries, this gauge provides highly accurate state-of-charge (SOC) information, ensuring you know exactly when it’s time to recharge.
With the ability to monitor up to 14 InSight batteries connected in parallel, the gauge receives live current readings from all battery CAN connections. It then calculates the remaining amp hours and displays SOC as a clear percentage from 0–100%, giving you real-time insights at a glance.
Built with a constant low-draw backlight (29mA), the display stays visible without placing unnecessary load on your battery system — ideal for long marine trips or continuous operation.
To enhance safety and battery longevity, the gauge provides clear status notifications:
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Displays the total number of detected batteries
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SOC percentage indicator
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“LOBATT” alert automatically appears when SOC drops below 20%
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A flashing “LOBATT” warning when SOC falls below 10%
Reliable, precise, and easy to read, the InSight Fuel Gauge is an essential addition to any vessel using Relion InSight batteries, helping ensure optimal performance and peace of mind on the water.

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